Home / 4,307.46-5,942.19-2,815.44

Finding the Fourth Proportional to 4,307.46, 5,942.19 and 2,815.44

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Solution

The fourth proportional to 4,307.46, 5,942.19 and 2,815.44 is: 3,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.46 : 5,942.19 = 2,815.44 : x
  2. Step 2: Convert to fraction form
    4,307.46/5,942.19 = 2,815.44/x
  3. Step 3: Cross multiply
    4,307.46x = 5,942.19 × 2,815.44
  4. Step 4: Simplify right side
    4,307.46x = 16,729,879.41
  5. Step 5: Solve for x
    x = 16,729,879.41/4,307.46
  6. Step 6: Final answer
    x = 3,883.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.